Author Question: The main difference between the experimental and ex post facto methods of research is the a. time ... (Read 75 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
The main difference between the experimental and ex post facto methods of research is the
 
  a. time span of study. c. manipulation of the independent variable.
  b. setting of the research. d. statistical design of the study.

Question 2

What is the role of theory in scientific research?
 
  What will be an ideal response?



Zack0mack0101@yahoo.com

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

C

Answer to Question 2

Theories summarize and organize the many facts resulting from research. Scientists are able to use theories to explain phenomena and make further predictions about relationships among variables relevant to the phenomena.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

For a complete list of videos, visit our video library